Flameless combustion microturbine

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Ultra-efficient, low-emission energy conversion for decentralized power and heat generation

Page last modified
September 15 2025

Mitis has developed a unique flameless combustion microturbine for energy conversion. This technology is disruptive due to its flameless nature, which produces extremely low emissions while offering industry-leading fuel flexibility. The microturbine utilizes a patented flameless combustion process that minimizes emissions regardless of the fuel used. It can achieve NOx emissions of less than 10 ppm, which is about 5 times lower than a typical natural gas furnace.

The microturbine is truly multi-fuel capable, able to run on biogas, natural gas, diesel, gasoline, ethanol, and propane. Future testing is planned for hydrogen and ammonia fuels as well. This fuel flexibility makes it a highly sustainable energy solution for various applications.

Key features include a maintenance cycle of 12,000 hours, enabled by an oil-free design using air and foil bearings. The system can be remotely monitored to quickly detect and resolve issues. Mitis offers the microturbine in two main configurations - the Micro-10 standalone unit and the Micro-10 CHP (Combined Heat and Power) which integrates an ultra-efficient gas to water heat exchanger.

Applications for this technology include off-grid power generation, range extension, microbiomethanisation, and collective building heating. The microturbine's compact size, low emissions, and fuel flexibility make it particularly suited for decentralized energy conversion in various settings.

Pros & Limitations
1
Ultra-low emissions (less than 10 ppm NOx)
1
5x less emissions compared to typical natural gas furnaces
1
Truly multi-fuel capable, including biofuels
1
Low maintenance requirements (12,000-hour maintenance cycle)
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No oil or coolant needed for operation
1
Remote monitoring capabilities
1
Compact and efficient design
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Potential for combined heat and power applications
Specification
Title Description
Theme/Discipline
Rotating Engineering
Core Tech
Power Generation
Emissions
<10 ppm NOx
Maintenance cycle
12,000 hours
Monitoring
Remote monitoring capability
Fuel flexibility
Multi-fuel (biogas, natural gas, diesel, gasoline, ethanol, propane)
Future fuels
Hydrogen and Ammonia (in testing)
Emissions comparison
5x less emissions than typical natural gas furnace
Emissions value
12.5 mg/kWh
Unique features
Flameless combustion, Ultra-compact design, Patented technology
Applications
Off-Grid Power, Range Extender, Combined Heat & Power (CHP)
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WHAT

‍Mitis is a high-tech developing  turbo machinery engineering company based in belgium unique, flameless combustion microturbines for energy conversion. Mitis today has put on the market the microturbine is disruptive due to the flameless nature of the combustion – it produces incredibly low emissions, while offering industry leading fuel-flexibility. Mitis holds a number of patents on the technology and its applications.

‍WHEN

‍Mitis was incorporated in 2009, with business activities starting in 2013. In 2020 Mitis secured Horizon 2020 funding from the EU enabling Mitis to ramp up development of the microturbine towards industrialisation and market introduction.‍

WHERE

‍Mitis is based in Liege, Belgium. Mitis operates research and development offices and a production facility from this single location allowing our engineers to work side-by-side with the manufacturing team. Mitis will begin distributing its products in western Europe and will expand over the coming years.

‍WHO

‍At Mitis we are a diverse group of talented individuals collectively driven by our mission to reduce emissions. We act like a family, having each other’s backs and supporting each other through the challenges that present themselves.

‍HOW

‍Mitis is built around three core values:
1. Bravery - To be brave as a company, we must be brave as a team working together side by side. Voice your ideas, change things for the better.
2. Sustainability - We must drive the energy transition away from fossil fuels. We need your help to achieve it.
3. Honesty - We will be honest with you. We expect the same from you. Integrity and honesty go hand in hand.‍

WHY

Our mission is to provide immediate and drastic emission reductions during energy conversion. We are motivated by this goal and we believe our technology has the potential to make real tangible differences.

Country of Headquarters
Belgium
Contact: +32 4290 5010
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